-63.85% is the change from 971 to 351
Calculation steps:
[( 351 - 971 ) ÷ 971] x 100 = -63.85%
Formula
Percentage change = [(351 - 971) / 971] x 100
Subtract the new number by the original number
351 - 971 = -620
-620 ÷ 971 = -0.6385169927909372
-0.6385169927909372 x 100 = -63.85%